12189468 has 24 divisors (see below), whose sum is σ = 29104768. Its totient is φ = 3968496.

The previous prime is 12189461. The next prime is 12189473. The reversal of 12189468 is 86498121.

It is a super-3 number, since 3×12189468³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11296 + ... + 12327.

Almost surely, 2^12189468 is an apocalyptic number.

It is an amenable number.

12189468 is an abundant number, since it is smaller than the sum of its proper divisors (16915300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12189468 is a wasteful number, since it uses less digits than its factorization.

12189468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673 (or 23671 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 12189468 is about 3491.3418623790. The cubic root of 12189468 is about 230.1414882427.

The spelling of 12189468 in words is "twelve million, one hundred eighty-nine thousand, four hundred sixty-eight".